Announcements

Presented by the President of Bitcoin Unlimited at the Blockchain Futurist Conference 2025, Toronto, Canada Approximately 3,000 kilometers northwest of here lies the Burgess Shale, an extraordinary geological formati…

B.U. President Andrew Clifford and B.U. Core Developer Andrea Suisani join a panel discussion at Web3 Amsterdam. “To fee or not to fee?” is a highly relevant industry topic: This question is becoming increasingly imp…

The Nexa hard fork was successfully activated at block number 766,084 at 12:22 UTC on 31 March 2025. The majority of network participants have since migrated to the Nexa Full Node 2.0 software. All full-node wallet us…

Andrew Stone presents at Web3 Amsterdam on 14 March 2025. He explains how applied blockchain technology is a new form of language, arguably, the first expression of a new form of language where there is real power beh…

A video and transcript of the talk Peter Rizun gave at the Australian Cryptocurrency Convention in Sydney on November 23, 2024. The Power and Potential of Custom Hardware This afternoon we are going to explore buildi…

What if a customer purchases something small, say a cup of coffee, with Nexa? Can the merchant let the customer leave the store with the coffee before the transaction has been confirmed (commonly called 0-conf)? Thi…